"The U.S. government should be the champion for the Internet, not a threat," Zuckerberg wrote. "They need to be much more transparent about what they're doing, or otherwise people will believe the worst...Unfortunately, it seems like it will take a very long time for true full reform."

Data from Facebook, along with other popular Internet destinations, has reportedly been mined by the NSA, according to the information leaked over the past few months by NSA whistleblower Edward Snowden.

Facebook has also dealt with its own privacy problems outside of the NSA info, setting a lawsuit last year that claimed its targeted advertising did not go far enough to protect children's privacy.